| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.44 | USD | 20251114 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.68 | USD | 20251114 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 931.87 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.44 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.81 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 903.64 | USD | 20251114 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.68 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 903.64 | USD | 20251114 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.56 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 903.64 | USD | 20251114 |